638094720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3049}}^1$

素因数の和:3180

約数の個数: 128

約数和(自身を含む): 2053260000

約数和(自身を除く): 1415165280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 128, 160, 192, 218, 240, 320, 327, 384, 436, 480, 545, 640, 654, 872, 960, 1090, 1308, 1635, 1744, 1920, 2180, 2616, 3049, 3270, 3488, 4360, 5232, 6098, 6540, 6976, 8720, 9147, 10464, 12196, 13080, 13952, 15245, 17440, 18294, 20928, 24392, 26160, 30490, 34880, 36588, 41856, 45735, 48784, 52320, 60980, 69760, 73176, 91470, 97568, 104640, 121960, 146352, 182940, 195136, 209280, 243920, 292704, 332341, 365880, 390272, 487840, 585408, 664682, 731760, 975680, 997023, 1170816, 1329364, 1463520, 1661705, 1951360, 1994046, 2658728, 2927040, 3323410, 3988092, 4985115, 5317456, 5854080, 6646820, 7976184, 9970230, 10634912, 13293640, 15952368, 19940460, 21269824, 26587280, 31904736, 39880920, 42539648, 53174560, 63809472, 79761840, 106349120, 127618944, 159523680, 212698240, 319047360, 638094720]

約数ペア:

[(1, 638094720), (2, 319047360), (3, 212698240), (4, 159523680), (5, 127618944), (6, 106349120), (8, 79761840), (10, 63809472), (12, 53174560), (15, 42539648), (16, 39880920), (20, 31904736), (24, 26587280), (30, 21269824), (32, 19940460), (40, 15952368), (48, 13293640), (60, 10634912), (64, 9970230), (80, 7976184), (96, 6646820), (109, 5854080), (120, 5317456), (128, 4985115), (160, 3988092), (192, 3323410), (218, 2927040), (240, 2658728), (320, 1994046), (327, 1951360), (384, 1661705), (436, 1463520), (480, 1329364), (545, 1170816), (640, 997023), (654, 975680), (872, 731760), (960, 664682), (1090, 585408), (1308, 487840), (1635, 390272), (1744, 365880), (1920, 332341), (2180, 292704), (2616, 243920), (3049, 209280), (3270, 195136), (3488, 182940), (4360, 146352), (5232, 121960), (6098, 104640), (6540, 97568), (6976, 91470), (8720, 73176), (9147, 69760), (10464, 60980), (12196, 52320), (13080, 48784), (13952, 45735), (15245, 41856), (17440, 36588), (18294, 34880), (20928, 30490), (24392, 26160)]